
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <!-- <link rel="stylesheet" href="./lib/bootstrap-3.3.7.css"> -->
</head>
<body>
  <div id="app">
    <mycom></mycom>
  </div>


  <template id="tmp">
    <div>
      <div class="container">
        <!-- 顶部框模块 -->
        <div class="form-group">
          <div class="input-group">
            <h4>品牌管理</h4>
          </div>
        </div>
  
        <!-- 数据表格 -->
        <table class="table table-bordered table-hover mt-2">
          <thead>
            <tr>
              <th>编号</th>
              <th>资产名称</th>
              <th>价格</th>
              <th>创建时间</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="item in list" :key="item.id">
              <td>{{ item.id }}</td>
              <td>{{ item.name }}</td>
  
              <!-- 如果价格超过100，就有red这个类 -->
              <td :class="{red:item.price>100}">{{ item.price }}</td>
              <td>{{ item.time|formDate }}</td>
              <td><a href="#" @click="del(item.id)" >删除</a></td>
            </tr>
          </tbody>
            
          <tfoot v-show="list.length===0">
            <tr>
              <td colspan="5" style="text-align: center">暂无数据</td>
            </tr>
          </tfoot>
              
        </table>
  
        <!-- 添加资产 -->
        <form class="form-inline">
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="资产名称"
                v-model="name"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="价格"
                v-model="price"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <!-- 阻止表单提交 -->
          <button class="btn btn-primary" @click.prevent="add">添加资产</button>
        </form>
      </div>
    </div>
  </template>
</body>
</html>
  <script src="./vue-2.4.0.js"></script>
  <script src="./moment.js"></script>
  <script>
    //  import moment from  'moment'
    var tmp={
      data() {
      return {
        name: "", // 名称
        price: 0, // 价格
        list: [
          { id: 100, name: "外套", price: 199, time: new Date('2010-08-12')},
          { id: 101, name: "裤子", price: 34, time: new Date('2013-09-01') },
          { id: 102, name: "鞋", price: 25.4, time: new Date('2018-11-22') },
          { id: 103, name: "头发", price: 19900, time: new Date('2020-12-12') }
        ],
      };
    },
    methods:{
      add(){
        // console.log("object");
        // console.log(this.name);
        // console.log(this.price);
        if(this.name.trim().length===0||this.price<0||this.price==0){
          alert("商品名称不能为空或者商品价格不能小于等于0");
          return;
        }
        this.list.push({
          id:this.list[this.list.length-1].id+1,
          name:this.name,
          price:this.price,
          time:new Date()
  
        });
        
      },
      del(id){
        console.log(id);
        // 通过id找到这一条在list中对应的下标
        var index=this.list.findIndex(item=>item.id===id)
  
        this.list.splice(index,1)
      }
    },
    filters:{
      formDate:(time)=>{
        // console.log(time);
        return moment(time).format('YYYY-MM-DD')
      }
    },
      template:'#tmp'
    }

    vm=new Vue({
      el:'#app',

      components:{
        mycom:tmp
      }
      
    })
    
  </script>
  
  <style >
  .red{
    color: red;
  }
  </style>